/*
 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
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package com.sun.xml.internal.bind.v2.model.annotation;

import com.sun.xml.internal.bind.v2.model.nav.Navigator;
import com.sun.xml.internal.bind.v2.runtime.Location;

/**
 * {@link Locatable} implementation for a field.
 *
 * @author Kohsuke Kawaguchi
 */
public class FieldLocatable<F> implements Locatable {
    private final Locatable upstream;
    private final F field;
    private final Navigator<?,?,F,?> nav;

    public FieldLocatable(Locatable upstream, F field, Navigator<?,?,F,?> nav) {
        this.upstream = upstream;
        this.field = field;
        this.nav = nav;
    }

    public Locatable getUpstream() {
        return upstream;
    }

    public Location getLocation() {
        return nav.getFieldLocation(field);
    }
}
